diff options
Diffstat (limited to 'builtin-merge.c')
| -rw-r--r-- | builtin-merge.c | 19 |
1 files changed, 14 insertions, 5 deletions
diff --git a/builtin-merge.c b/builtin-merge.c index 18571387f1..57eedd447d 100644 --- a/builtin-merge.c +++ b/builtin-merge.c @@ -43,6 +43,7 @@ static const char * const builtin_merge_usage[] = { static int show_diffstat = 1, option_log, squash; static int option_commit = 1, allow_fast_forward = 1; +static int fast_forward_only; static int allow_trivial = 1, have_message; static struct strbuf merge_msg; static struct commit_list *remoteheads; @@ -166,7 +167,9 @@ static struct option builtin_merge_options[] = { OPT_BOOLEAN(0, "commit", &option_commit, "perform a commit if the merge succeeds (default)"), OPT_BOOLEAN(0, "ff", &allow_fast_forward, - "allow fast forward (default)"), + "allow fast-forward (default)"), + OPT_BOOLEAN(0, "ff-only", &fast_forward_only, + "abort if fast-forward is not possible"), OPT_CALLBACK('s', "strategy", &use_strategies, "strategy", "merge strategy to use", option_parse_strategy), OPT_CALLBACK('m', "message", &merge_msg, "message", @@ -876,6 +879,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) option_commit = 0; } + if (!allow_fast_forward && fast_forward_only) + die("You cannot combine --no-ff with --ff-only."); + if (!argc) usage_with_options(builtin_merge_usage, builtin_merge_options); @@ -1015,7 +1021,7 @@ int cmd_merge(int argc, const char **argv, const char *prefix) hex, find_unique_abbrev(remoteheads->item->object.sha1, DEFAULT_ABBREV)); - strbuf_addstr(&msg, "Fast forward"); + strbuf_addstr(&msg, "Fast-forward"); if (have_message) strbuf_addstr(&msg, " (no commit created; -m option ignored)"); @@ -1033,16 +1039,16 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } else if (!remoteheads->next && common->next) ; /* - * We are not doing octopus and not fast forward. Need + * We are not doing octopus and not fast-forward. Need * a real merge. */ else if (!remoteheads->next && !common->next && option_commit) { /* - * We are not doing octopus, not fast forward, and have + * We are not doing octopus, not fast-forward, and have * only one common. */ refresh_cache(REFRESH_QUIET); - if (allow_trivial) { + if (allow_trivial && !fast_forward_only) { /* See if it is really trivial. */ git_committer_info(IDENT_ERROR_ON_NO_NAME); printf("Trying really trivial in-index merge...\n"); @@ -1081,6 +1087,9 @@ int cmd_merge(int argc, const char **argv, const char *prefix) } } + if (fast_forward_only) + die("Not possible to fast-forward, aborting."); + /* We are going to make a new commit. */ git_committer_info(IDENT_ERROR_ON_NO_NAME); |